From adfe9ea1e0c335e5d7c2d6ea70d09d1d8562b455 Mon Sep 17 00:00:00 2001
From: Marc Mutz <marc.mutz@kdab.com>
Date: Wed, 8 Apr 2015 19:44:48 +0200
Subject: Add qHash(QVector)

QVectors can be compared for equality, so qHash should be overloaded, too.

[ChangeLog][QtCore][QVector] Added qHash(QVector).

Change-Id: I2aacce55d416abf2492631a504a02c6e8fc4ff1c
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
---
 src/corelib/tools/qvector.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/corelib/tools/qvector.h')

diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index 58fbea50cc..12baecd37c 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -39,6 +39,7 @@
 #include <QtCore/qlist.h>
 #include <QtCore/qrefcount.h>
 #include <QtCore/qarraydata.h>
+#include <QtCore/qhashfunctions.h>
 
 #include <iterator>
 #include <vector>
@@ -873,6 +874,13 @@ QList<T> QList<T>::fromVector(const QVector<T> &vector)
 Q_DECLARE_SEQUENTIAL_ITERATOR(Vector)
 Q_DECLARE_MUTABLE_SEQUENTIAL_ITERATOR(Vector)
 
+template <typename T>
+uint qHash(const QVector<T> &key, uint seed = 0)
+    Q_DECL_NOEXCEPT_EXPR(noexcept(qHashRange(key.cbegin(), key.cend(), seed)))
+{
+    return qHashRange(key.cbegin(), key.cend(), seed);
+}
+
 template <typename T>
 bool operator<(const QVector<T> &lhs, const QVector<T> &rhs)
     Q_DECL_NOEXCEPT_EXPR(noexcept(std::lexicographical_compare(lhs.begin(), lhs.end(),
-- 
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